Home / 45,867.10-68,715.60-26,086.90

Finding the Fourth Proportional to 45,867.10, 68,715.60 and 26,086.90

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Solution

The fourth proportional to 45,867.10, 68,715.60 and 26,086.90 is: 39,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,867.10 : 68,715.60 = 26,086.90 : x
  2. Step 2: Convert to fraction form
    45,867.10/68,715.60 = 26,086.90/x
  3. Step 3: Cross multiply
    45,867.10x = 68,715.60 × 26,086.90
  4. Step 4: Simplify right side
    45,867.10x = 1,792,576,985.64
  5. Step 5: Solve for x
    x = 1,792,576,985.64/45,867.10
  6. Step 6: Final answer
    x = 39,081.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.